Londonderry Weather Forecast

    • 68
    • 84

    Mostly Cloudy

    • 71
    • 88

    Mostly Cloudy

    • 72
    • 90

    Partly Sunny

    • 72
    • 92

    Chance Rain Showers

    • 68
    • 89

    Chance Thunderstorms

    • 64
    • 84

    Chance Rain Showers

Today 30 Aug Guernsey

Mostly sunny. Highs in the lower 80s. Southwest Winds around 5 Mph.

Tonight 30 Aug Guernsey

Mostly cloudy. Humid with Lows in the upper 60s. Southeast Winds around 5 Mph.

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Londonderry Temperature Statistics

August Temperature

New Philadelphia, Harry Clever Field (23 miles)

  • Lowest 24 August, 2026

    52.6 °F

  • Average August

    72.2 °F

  • Highest 5 August, 2026

    87.7 °F

Climate (2021–2026)

New Philadelphia, Harry Clever Field (23 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    64 °F
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